Home / 554,865,727.30-832,046,648.55-209,704,639.30

Finding the Fourth Proportional to 554,865,727.30, 832,046,648.55 and 209,704,639.30

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Solution

The fourth proportional to 554,865,727.30, 832,046,648.55 and 209,704,639.30 is: 314,461,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,865,727.30 : 832,046,648.55 = 209,704,639.30 : x
  2. Step 2: Convert to fraction form
    554,865,727.30/832,046,648.55 = 209,704,639.30/x
  3. Step 3: Cross multiply
    554,865,727.30x = 832,046,648.55 × 209,704,639.30
  4. Step 4: Simplify right side
    554,865,727.30x = 174,484,042,314,951,616
  5. Step 5: Solve for x
    x = 174,484,042,314,951,616/554,865,727.30
  6. Step 6: Final answer
    x = 314,461,740.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.